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1. What is the original source of energy in the food you eat?
A) sun
B) photosynthesis
C) plants
D) sugar
2. Which equation best models cellular respiration?
A) 6H2O + 6CO2 → C6H12O6 + 6O2 + Energy
B) C6H12O6 + 6O2 → 6H2O + 6CO2 + Energy
C) C6H12O6 + 6O2 + 6CO2 → 6H2O + Energy
D) 6H2O + 6CO2 + Energy → C6H12O6 + 6O2
3. Which compound is a reactant in cellular respiration?
A) oxygen
B) ATP
C) carbon dioxide
D) water
4. Which statement is true?
A) The Calvin cycle is the light-dependent (needs light) step of photosynthesis and happens in the thylakoid membrane.
B) The Calvin cycle is the light-independent (does not need light) step of photosynthesis and happens in the stroma.
5. Which two are the products of photosynthesis? Select 2
A) water
B) glucose
C) oxygen
D) carbon dioxide
6. The following are steps of cellular respiration except
A) glycolysis
B) electron transport chain
C) the Krebs cycle
D) electrolysis
7. In which organelle would the events in the picture most likely occur?
A) chloroplast
B) mitochondria
C) nucleus
D) ribosome
8. In 3 to 5 sentences, describe the relationship between a glucose molecule and the products it makes during cellular respiration.
9. In 3 to 5 sentences, how are the equations for photosynthesis and cellular respiration complimentary? Explain the interdependence between these two processes.
